code: def test_str_get():
      """Test outcome for Pandas `.str.get()` method."""
  
      df = pd.DataFrame(
          {"text": ["aA", "bB", "cC", "dD"], "numbers": range(1, 5)}
      )
  
      expected = df.assign(text=df["text"].str.get(1))
  
      result = df.process_text(
          column_name="text", string_function="get", i=-1
      )
  
      assert_frame_equal(result, expected)
  
imports: import numpy
  import pandas
  import pytest
  from pandas.testing import assert_frame_equal
label_desc: Use image node_id 16 for calling a global function with example usage: test_str_get() without return types